English
There is a linear equivalence between Matrix m n A and A as an R-module, under unique indices and appropriate algebraic structure, induced by the uniqueAddEquiv map.
Русский
Существует линейное эквивиалентное отображение между Matrix m n A и A как модулем над R, при условии уникальности индексов и соответствующей алгебраической структуры.
LaTeX
$$$\text{uniqueLinearEquiv}:\; Matrix m n A \simeq_{R} A$$$
Lean4
/-- `M₁(A)` is linearly equivalent to `A` as an `R`-module where `R` is a semiring. -/
@[simps]
def uniqueLinearEquiv [Semiring R] [AddCommMonoid A] [Module R A] : Matrix m n A ≃ₗ[R] A
where
__ := uniqueAddEquiv
map_smul' := by simp